BBC News
The market is booming in apps which offer women the chance to monitor the cycles of their monthly periods. There are thought to have been as many as 200m downloads of period tracking apps worldwide. But a leading UK medical royal college has warned that women should not rely on them as a form of contraception. ...

NBC News
If air pollution standards were tightened just a little bit, thousands of lives might be saved each year, a new study suggests. Researchers found that 9,320 lives might be saved annually by reducing of two types of air pollution — ozone and fine particulate matter — to levels below what the Environmental Protection Agency currently requires....

NBC News
AUSTIN, Texas — The death of an infant born with the birth defect microcephaly in the Houston area has been linked to the Zika virus, with the baby becoming infected in the womb while the mother traveled to Latin America, Texas health officials said on Tuesday. The Texas Department of State Health Services said the infant...

NBC News
Florida health officials are investigating a new case of the Zika virus in Palm Beach County that appears to be a local transmission, Gov. Rick Scott said in a statement Monday. The person recently traveled to Miami-Dade County, although Scott's statement did not specify exactly where. Related: Zika Is Here. I'm Pregnant. What Should...

BBC News
Zika infection during pregnancy may cause limb joint deformities in the baby, experts now fear. Brazilian researchers from Recife, the city at the centre of the Zika epidemic, describe seven suspect cases in the journal BMJ Open. The virus, which has been spreading across much of the Americas and has deterred some people from visiting the Olympic host...

NBC News
What's the best TV show to watch if you're incarcerated? Forget hardcore dramas like "Orange is the New Black," "Oz" or "Prison Break." One way to escape the miserable reality of prison life may be a good old-fashioned nature show, new research finds. Forty-eight inmates at Oregon's Snake River Correctional Institute watched nature videos of oceans,...

BBC News
One drug can treat three deadly and neglected infections - Chagas disease, leishmaniasis and sleeping sickness - animal studies show. It has been described as a "new hope" for tackling the parasitic infections which affect millions of people in the poorest parts of the world. The discovery, reported in the journal Nature, was made by testing three...

NBC News
Pregnant women in Miami are spraying themselves with DEET, covering up and doing everything they can to avoid being bitten by Zika-infected mosquitoes. This week, the Centers for Disease Control and Prevention advised pregnant women to avoid a mile-square neighborhood in north of Miami after at least 15 people became infected with Zika virus — but...

BBC News
Britons are under-reporting their daily calorie consumption - potentially misleading policymakers attempting to curb obesity, research suggests. The Behavioural Insights Team points to scientific and economic data showing people eat 3,000 calories, compared to the 2,000 cited in official surveys. It says this could explain rising obesity levels, despite decades of surveys saying people are eating less. ...

BBC News
A number of Olympians - including the most decorated Olympic athlete of all time, Michael Phelps - have been photographed with large red circles on their skin. What are they, and why is everyone suddenly going dotty over them? The mark of an Olympic athlete, at least at Rio 2016, seems to be a scattering of perfectly round bruises....

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